V24 HCC 86 (Archived Category) ICD-10-CM
HCC 86 is a payment category of the retired CMS-HCC V24 model, which last determined Medicare Advantage payment in 2025. The 22 ICD-10-CM codes below are its final mappings, kept for lookback analysis and RADV audit reference. Each code shows where it maps in the live V28 model.
Archived Codes of V24 HCC 86 22 codes
- I21.01 ST elevation (STEMI) myocardial infarction involving left main coronary artery now HCC 228
- I21.02 ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery now HCC 228
- I21.09 ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall now HCC 228
- I21.11 ST elevation (STEMI) myocardial infarction involving right coronary artery now HCC 228
- I21.19 ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall now HCC 228
- I21.21 ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery now HCC 228
- I21.29 ST elevation (STEMI) myocardial infarction involving other sites now HCC 228
- I21.3 ST elevation (STEMI) myocardial infarction of unspecified site now HCC 228
- I21.4 Non-ST elevation (NSTEMI) myocardial infarction now HCC 228
- I21.9 Acute myocardial infarction, unspecified now HCC 228
- I21.A1 Myocardial infarction type 2 now HCC 228
- I21.A9 Other myocardial infarction type now HCC 228
- I21.B Myocardial infarction with coronary microvascular dysfunction now HCC 228
- I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall now HCC 228
- I22.1 Subsequent ST elevation (STEMI) myocardial infarction of inferior wall now HCC 228
- I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction now HCC 228
- I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites now HCC 228
- I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site now HCC 228
- I23.4 Rupture of chordae tendineae as current complication following acute myocardial infarction now HCC 229
- I23.5 Rupture of papillary muscle as current complication following acute myocardial infarction now HCC 229
- I51.1 Rupture of chordae tendineae, not elsewhere classified now HCC 229
- I51.2 Rupture of papillary muscle, not elsewhere classified now HCC 229
Questions About This Archived Category
Is V24 HCC 86 still paid?
No. The CMS-HCC V24 model last determined Medicare Advantage payment in 2025; from payment year 2026 the V28 model pays 100% of the risk score. This page exists for lookback analysis and RADV audit periods that predate the transition.
Where did these codes go in V28?
Each row above names the code's live V28 category. The category-level picture, with destination counts for every V24 category, is on V24 to V28: What Changed.
Related References
Source: Centers for Medicare & Medicaid Services, Payment Year 2026 risk adjustment mapping and model software releases (CMS-HCC V28; CMS-HCC V24 from the last published V24 mappings, payment year 2025), applied to the FY 2026 ICD-10-CM code set. ICD List is not affiliated with CMS.
